In garages, on trails, and around campfires, debate will always rage over what single modification is most effective in creating a capable 4x4. Is there one magic mod that can dramatically improve ...

The rearend is often the last part of the drivetrain to be considered when building a car, and it usually receives attention only after something breaks. With good high-performance rearends available ...

When it comes to fixing your differential, there’s bad news and good news. The bad news is that differential replacements are expensive, often ranging from $2,500 to $6,000. The good news is that both ...

If you're looking to make upgrades and repairs to your old tired axles or to rebuild junkyard iron, or you need complete replacement assemblies, then you just got lucky! We've gathered a few new ...

This 650-horsepower engine swap is getting bigger and hairier by the second. I officially have a major transmission upgrade on the way, which means the only stock component left in my 1969 Dodge ...

More than 46,000 Toyota Tundra and Tundra Hybrid models are being recalled in the United States due to an issue with the rear axle assembly. Toyota has revealed that Tundra models in question are ...

We earn commissions from purchases you make using links in our articles. Learn more. Most of the time, it’s unnecessary to give your vehicle’s differential cover a second thought; the technology has ...

Quadruple-digit-horsepower 2003-2004 Terminator Cobras are so commonplace these days that it's easy to forget the cars were designed for nearly one-third that figure. Add sticky tires, hard launches, ...